Sonic is Back! And he's facing the HUGE consequences of the mega-hit Sonic/Mega Man crossover story arc in "At All Costs" Part Two! As the crossover crashed to a close, Sonic and Tails have returned to a world which is reeling from the cataclysmic effects of the Eggman/Wily genesis wave! The damage was severe, the threats have changed, and the mysteries are piling up! What has happened to Naugus in this new landscape? What is the final fate of Sally Acorn? Sonic and Tails are ready to tackle all the drama ahead of them - but first they must survive the wrath of the terrifying Tails Doll! Featuring new cover art from Sonic artist superstar Ben Bates and a special "SEGA" Variant!